Search found 2742 matches

by Mike
Sun Apr 30, 2017 7:33 am
Forum: Programming
Topic: c2n turbo loader experiment: 4kbit/s data on tape
Replies: 36
Views: 345

Re: c2n turbo loader experiment: 4kbit/s data on tape

I replaced the repeated data by (at least) two zero bytes and it went through without LOAD ERROR on the real thing. That's actually what I meant - truncate the copy as much as possible (say, after the 2 bytes you used) and 'just' end it prematurely with the lead out signal. I just wasn't quite sure...
by Mike
Sun Apr 30, 2017 5:18 am
Forum: Programming
Topic: c2n turbo loader experiment: 4kbit/s data on tape
Replies: 36
Views: 345

Re: c2n turbo loader experiment: 4kbit/s data on tape

The loader itself is about 660 bytes, so it takes longer than the main file to get in. 10.9K compressed Super Starship Space Attack makes it in 20s. In the meantime I made myself the fun to hear into the *.wav at low volume. 8) It really has the same sounds when dialling in with a 56K where the fir...
by Mike
Sun Apr 30, 2017 3:37 am
Forum: Games
Topic: In the making: Arukanoido – an Arkanoid clone
Replies: 130
Views: 7405

Re: In the making: Arukanoido – an Arkanoid clone

Will have to clean everything up a bit. It's been a long break. The paddle is used as soon as there's a change in register $9008 btw. See https://github.com/SvenMichaelKlose/arukanoido/blob/master/src/controllers.asm#L22 I made a quick peek at the file - at least two issues: * there's no initialisa...
by Mike
Sun Apr 30, 2017 2:37 am
Forum: Other Systems
Topic: My first month with Windows 10
Replies: 11
Views: 383

Risen From Ashes

An update to this story: So my new notebook is running fine and has shown to be "Revision-proof" :mrgreen:, I thought about firing up the old notebook once again after it had been half a year in storage. And what happens? Microsoft sends in an update for the missing nVidia driver! :shock: ...
by Mike
Thu Apr 27, 2017 4:44 pm
Forum: Programming
Topic: c2n turbo loader experiment: 4kbit/s data on tape
Replies: 36
Views: 345

Re: c2n turbo loader experiment: 4kbit/s data on tape

thing is, it doesnt just magically change. magnetism is very very stable once something has been magnetized. At a temperature near 0 K this is very much true, but we're at 300 K room temperature, and this disturbs the elementary magnets over time. The effect may be small, but accumulates over time ...
by Mike
Thu Apr 27, 2017 12:35 pm
Forum: Games
Topic: Work in progress: REALMS OF QUEST V
Replies: 182
Views: 3791

Re: Work in progress: REALMS OF QUEST V

That would only give me 4*8 pixels to work with for each character. This is the 4x8 pixel font I had designed myself and which I use with MINIPAINT, MG Browse, MG Text Edit, etc.: https://ozvdug.dm1.livefilestore.com/y1plT21xrVzZ-udA6JfPBUmMUptVgMX1s0fctlsooih3AxiUAZohKJrzTFd_UkEJ3mc6nRpudLM5wqi0U2...
by Mike
Fri Apr 21, 2017 2:15 pm
Forum: Collecting and History
Topic: Romox Typo
Replies: 6
Views: 161

Re: Romox Typo

I just came into acquiring a copy of Romox Typo but I can not find any information about it really. Google -> romox "vic-20" typo -> link , and from there: o YouTube , o A thread here on Denial (" play a dump of NTSC cartridge on a PAL Vic-20 "), indicating the game was PAL-fixe...
by Mike
Fri Apr 21, 2017 10:25 am
Forum: General Topics
Topic: ** Greetings from Revision 2017!
Replies: 13
Views: 351

Re: ** Greetings from Revision 2017!

More to follow when it's more crowded. :) Sorry for the delay... I had those stored to the internal memory of my camera by mistake. :mrgreen: http://tokra.de/vic/revision2017/revision_07.jpg (The setup of tokra (right), and me (left) with two laptops and tokra's VIC-20... VICE and VIC-20 both run t...
by Mike
Fri Apr 21, 2017 3:42 am
Forum: General Topics
Topic: Vic McKracken - fcbpaint-image released at Revision 2017
Replies: 8
Views: 271

Re: Vic McKracken - fcbpaint-image released at Revision 2017

Sure as heck wouldn't have expected that from a VIC with only an 8K expander ... Adding another +8K in BLK2 or +16K in BLK2 and BLK3 wouldn't add anything to the capabilities of the VIC chip. Just to remind you: when it comes to graphics data, the VIC chip can only access the internal RAM of the VI...
by Mike
Thu Apr 20, 2017 3:34 am
Forum: Programming
Topic: Making a random number in Assembly
Replies: 37
Views: 1573

Re: Making a random number in Assembly

Well, here's the result, using MINIGRAFIK, NR_QDRand and my fast line routine: madness.zip (requires +8K RAM expansion, load and run the file "BOOT" to start) 10 POKE55,0:POKE56,60:CLR:FORT=15360TO16356:READA:POKET,A:NEXT 11 @ON:@CLR:SYS15360 12 : 13 DATA 169,9,133,181,32,54,60,165,142,201...
by Mike
Sun Apr 16, 2017 4:01 am
Forum: General Topics
Topic: ** Greetings from Revision 2017!
Replies: 13
Views: 351

Re: ** Greetings from Revision 2017!

A Happy Easter to all Denial fellows! :D Here we go with some impressions from Sunday morning: http://tokra.de/vic/revision2017/revision_00.jpg (Main hall and parking lot) http://tokra.de/vic/revision2017/revision_01.jpg (Main hall front) http://tokra.de/vic/revision2017/revision_02.jpg (Infodesk) h...
by Mike
Fri Apr 14, 2017 4:30 pm
Forum: Hardware and Tech
Topic: Tricking the 6502 addressing to access 54KBytes of SRAM
Replies: 45
Views: 1297

Re: Tricking the 6502 addressing to access 54KBytes of SRAM

I can confirm now that this is impossible. Its not surprising since the ROM access does not involve any CRW signal from the 6502, so the ROMs are actually responding as the 6502 was reading, ... for the record, "as the 6502 was writing " ... and voilá; massive databus conflicts can be see...
by Mike
Fri Apr 14, 2017 7:20 am
Forum: General Topics
Topic: ** Greetings from Revision 2017!
Replies: 13
Views: 351

** Greetings from Revision 2017!

... from Mike and tokra! (see: "** Revision 2017 Invitation / Website")

Sooo... who else from Denial is here? Sign up in this thread! :twisted:

I'll follow up with some photos from the event during the weekend. 8)
by Mike
Fri Apr 14, 2017 7:07 am
Forum: Hardware and Tech
Topic: Mega-Cart
Replies: 661
Views: 108789

Re: Mega-Cart

"reinstall"? [...] Yes. There's a Mega-Cart version of SJLOAD that can be installed into NVRAM, i.e. it remains there even after a power-cycle (or prolonged power off, for that matter). However, it's not especially resistant against being overwritten by other software that thrashes that a...
by Mike
Sun Apr 09, 2017 12:01 pm
Forum: Programming
Topic: Making a random number in Assembly
Replies: 37
Views: 1573

Re: Making a random number in Assembly

Edit: By experimentation I found that the output value of $06 or $FE (in the code above) is less than random. In fact if I plot with that it gives a very uncentered distribution of the lineplot. But isn't $06 the MSB? and $03 the LSB? Anyway I got better "experimental" results using $04 o...

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